RCMP investigating online threats made to MP Chris d’Entremont after crossing floor to join Liberals  CTV NewsMP Chris d’Entremont says he joined Liberals because of Poilievre’s leadership style  CBCConservative MP joins Canada’s Liberal government, moving Carney closer to majority government  PoliticoStephen Maher: Why there are few things scarier to Pierre Poilievre than a floor crossing MP  Toronto StarIs there anything wrong with floor crossing in Parliament?  CBC